The invention provides a wide-turning-angle steering gear and a vehicle. The wide-turning-angle steering gear comprises a valve body, a valve element, a valve sleeve and a meter, and seven flow distribution channels are arranged on the valve body in the circumferential direction in a surrounding mode; the valve element is provided with four working grooves for conveying oil liquid to the steering executing mechanism and four oil return grooves for receiving the oil liquid from the steering executing mechanism, and the working grooves and the oil return grooves are arranged in a staggered mode in the circumferential direction. The valve sleeve is provided with a first oil hole and a second oil hole, the first oil hole and the second oil hole are arranged in a staggered mode in the circumferential direction so that any one of the first oil hole and the second oil hole can be matched with the working groove to form a working valve port, and the other one of the first oil hole and the second oil hole can be matched with the oil return groove to form an oil return valve port. By means of the arrangement, the opening range of the working valve port and the oil return valve port is large, more hydraulic flow can pass through, pressure loss can be reduced under the large-flow working condition, hydraulic noise and shaking generated by a system can be reduced, a flow amplification structure does not need to be used in a matched mode, and cost can be saved.
本申请提供了一种宽转角转向器及车辆,包括阀体、阀芯和阀套,以及计量器,其中,阀体上沿周向环绕设置有七个配流通道;阀芯设置有向转向执行机构输送油液的工作槽和接收来自转向执行机构的油液的回油槽,工作槽和回油槽均设置有四个并且在周向上交错设置;阀套设置有第一油孔和第二油孔,第一油孔和第二油孔在周向上交错设置,以使第一油孔和第二油孔中的任一者能够与工作槽配合形成工作阀口、另一者能够与回油槽配合形成回油阀口。如此设置,工作阀口和回油阀口的开度范围较大,能够通过更多的液压流量,在大流量工况下可以降低压力损失,减小系统产生的液压噪音和抖动,无需配合流量放大结构使用,有利于节约成本。
Wide-turning-angle steering gear and vehicle
一种宽转角转向器及车辆
2025-05-20
Patent
Electronic Resource
Chinese
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |
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